Home / 16,231,906.69-22,400,031.15-8,889,757.20

Finding the Fourth Proportional to 16,231,906.69, 22,400,031.15 and 8,889,757.20

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Solution

The fourth proportional to 16,231,906.69, 22,400,031.15 and 8,889,757.20 is: 12,267,864.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231,906.69 : 22,400,031.15 = 8,889,757.20 : x
  2. Step 2: Convert to fraction form
    16,231,906.69/22,400,031.15 = 8,889,757.20/x
  3. Step 3: Cross multiply
    16,231,906.69x = 22,400,031.15 × 8,889,757.20
  4. Step 4: Simplify right side
    16,231,906.69x = 199,130,838,195,936.75
  5. Step 5: Solve for x
    x = 199,130,838,195,936.75/16,231,906.69
  6. Step 6: Final answer
    x = 12,267,864.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.